Of the 812,012 stamps ordered so far, 234,198 Williams stamps have been ordered verses 225,038 DiMaggio stamps, according to the U.S. Postal Service and a report in the Cape Cod Times.

The two leaders are getting competition from sales of Pittsburgh Pirates great Willie Stargell - 178,278 for Stargell ordered - and from Cleveland Indian Larry Doby - 174,498 stamps ordered.

The stamps will be sold publicly later this month, but the first day of issue ceremony honoring these four players will be held July 20 at the National Baseball Hall of Fame Museum in Cooperstown, N.Y.

Individual player stamp sheets will be sold only in limited quantities beginning July 21 at select U.S. Post Offices in Boston, Cleveland, Cooperstown, New York City and Pittsburgh, said Stephen, Kearney, Postal Services Stamp Services manager.

However, people may pre-order the stamps today at www.usps.com/play-ball, or by calling 800-STAMP24 (800-782-6724) or by mailing a check or money order to: